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Finding the Fourth Proportional to 732.32, 1,098.22 and 526.27

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Solution

The fourth proportional to 732.32, 1,098.22 and 526.27 is: 789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.32 : 1,098.22 = 526.27 : x
  2. Step 2: Convert to fraction form
    732.32/1,098.22 = 526.27/x
  3. Step 3: Cross multiply
    732.32x = 1,098.22 × 526.27
  4. Step 4: Simplify right side
    732.32x = 577,960.24
  5. Step 5: Solve for x
    x = 577,960.24/732.32
  6. Step 6: Final answer
    x = 789.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.